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Atomic structure + mass number

Quiz by Ella Hicks

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7 questions
Show answers
  • Q1
    What is the mass number of an atom?
    The total number of protons and neutrons in the nucleus
    The total number of electrons
    The total number of protons only
    The mass of the atom in grams
    30s
  • Q2
    Which particle has no charge?
    Neutron
    Electron
    Proton
    Nucleus
    30s
  • Q3
    Which of the following best describes the nucleus of an atom?
    It is located outside the atom
    It contains protons and neutrons
    It is made up of only protons
    It contains electrons
    30s
  • Q4
    What is the charge of a proton?
    No charge
    Positive
    Negative
    Neutral
    30s
  • Q5
    What represents the number of protons in an element's atomic symbol?
    Mass number
    Molecule count
    Neutron number
    Atomic number
    30s
  • Q6
    What defines the mass number of an element?
    The number of protons only
    The total size of the atom
    The sum of protons and neutrons in the nucleus
    The number of electrons only
    30s
  • Q7
    What does the term 'ion' refer to?
    An atom with equal protons and electrons
    An atom that has gained or lost electrons
    An atom with only protons
    A molecule made of different elements
    30s

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